fc = r"c:\temp\myData.shp"
featurSet = arcpy.FeatureSet()
featureSet.load(fc)
desc = arcpy.Describe(featureSet)
print desc.pjson # so we can read it
#### desc.json also works. ####
del desc
del fc
del featureSet
Output
{
"displayFieldName" : "",
"geometryType" : "esriGeometryPolygon",
"spatialReference" : {
"wkid" : 4326,
"latestWkid" : 4326
},
"fields" : [
{
"name" : "FID",
"type" : "esriFieldTypeOID",
"alias" : "FID"
},
{
"name" : "Id",
"type" : "esriFieldTypeInteger",
"alias" : "Id"
}
],
"features" : [
{
"attributes" : {
"FID" : 0,
"Id" : 0
},
"geometry" : {
"rings" : [
[
[
-170.48758544651321,
27.863404726470606
],
[
-167.28669772639196,
27.956184080677076
],
[
-167.28669772639196,
25.497531194206999
],
[
-170.53397512361644,
25.327435711495355
],
[
-170.48758544651321,
27.863404726470606
]
],
[
[
-169.37423319603627,
27.229412472726722
],
[
-169.28145384182986,
25.961427965239068
],
[
-167.90522675443472,
26.208839576456285
],
[
-167.93615320583692,
27.337655052634318
],
[
-169.37423319603627,
27.229412472726722
]
]
]
}
}
]
}
Enjoy